Home / 7,416.07-11,111.79-5,220.18

Finding the Fourth Proportional to 7,416.07, 11,111.79 and 5,220.18

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Solution

The fourth proportional to 7,416.07, 11,111.79 and 5,220.18 is: 7,821.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,416.07 : 11,111.79 = 5,220.18 : x
  2. Step 2: Convert to fraction form
    7,416.07/11,111.79 = 5,220.18/x
  3. Step 3: Cross multiply
    7,416.07x = 11,111.79 × 5,220.18
  4. Step 4: Simplify right side
    7,416.07x = 58,005,543.92
  5. Step 5: Solve for x
    x = 58,005,543.92/7,416.07
  6. Step 6: Final answer
    x = 7,821.60

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.